/usr/include/sdsl/lcp_bitcompressed.hpp is in libsdsl-dev 2.0.3-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | /* sdsl - succinct data structures library
Copyright (C) 2009 Simon Gog
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/ .
*/
/*! \file lcp_bitcompressed.hpp
\brief lcp_bitcompressed.hpp contains a bitcompressed LCP array.
\author Simon Gog
*/
#ifndef INCLUDED_SDSL_LCP_BITCOMPRESSED
#define INCLUDED_SDSL_LCP_BITCOMPRESSED
#include "lcp.hpp"
#include "int_vector.hpp"
#include "iterators.hpp"
namespace sdsl
{
template<uint8_t t_width=0>
class lcp_bitcompressed
{
public:
typedef typename int_vector<t_width>::value_type value_type;
typedef typename int_vector<t_width>::size_type size_type;
typedef random_access_const_iterator<lcp_bitcompressed> const_iterator;
typedef const_iterator iterator;
typedef const value_type const_reference;
typedef const_reference reference;
typedef const_reference* pointer;
typedef const pointer const_pointer;
typedef ptrdiff_t difference_type;
typedef lcp_plain_tag lcp_category;
enum { fast_access = 1,
text_order = 0,
sa_order = 1
};
template<class Cst>
using type = lcp_bitcompressed;
private:
int_vector<t_width> m_lcp;
public:
//! Default Constructor
lcp_bitcompressed() {}
lcp_bitcompressed(const lcp_bitcompressed&) = default;
lcp_bitcompressed(lcp_bitcompressed&&) = default;
lcp_bitcompressed& operator=(const lcp_bitcompressed&) = default;
lcp_bitcompressed& operator=(lcp_bitcompressed&&) = default;
//! Constructor taking a cache_config
lcp_bitcompressed(cache_config& config) {
std::string lcp_file = cache_file_name(conf::KEY_LCP, config);
int_vector_buffer<> lcp_buf(lcp_file);
m_lcp = int_vector<t_width>(lcp_buf.size(), 0, lcp_buf.width());
for (size_type i=0; i < m_lcp.size(); ++i) {
m_lcp[i] = lcp_buf[i];
}
}
//! Number of elements in the instance.
size_type size()const {
return m_lcp.size();
}
//! Returns the largest size that lcp_bitcompressed can ever have.
static size_type max_size() {
return int_vector<t_width>::max_size();
}
//! Returns if the data structure is empty.
bool empty()const {
return m_lcp.empty();
}
//! Swap method for lcp_bitcompressed
void swap(lcp_bitcompressed& lcp_c) {
m_lcp.swap(lcp_c.m_lcp);
}
//! Returns a const_iterator to the first element.
const_iterator begin()const {
return const_iterator(this, 0);
}
//! Returns a const_iterator to the element after the last element.
const_iterator end()const {
return const_iterator(this, size());
}
//! Access operator
/*! \param i Index of the value. \f$ i \in [0..size()-1]\f$.
*/
value_type operator[](size_type i)const {
return m_lcp[i];
}
//! Serialize to a stream.
size_type serialize(std::ostream& out, structure_tree_node* v=nullptr,
std::string name="")const {
structure_tree_node* child = structure_tree::add_child(v, name,
util::class_name(*this));
size_type written_bytes = 0;
written_bytes += m_lcp.serialize(out, child, "lcp");
structure_tree::add_size(child, written_bytes);
return written_bytes;
}
//! Load from a stream.
void load(std::istream& in) {
m_lcp.load(in);
}
};
} // end namespace sdsl
#endif
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